Home / 195,971.78-270,435.84-111,088.64

Finding the Fourth Proportional to 195,971.78, 270,435.84 and 111,088.64

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Solution

The fourth proportional to 195,971.78, 270,435.84 and 111,088.64 is: 153,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,971.78 : 270,435.84 = 111,088.64 : x
  2. Step 2: Convert to fraction form
    195,971.78/270,435.84 = 111,088.64/x
  3. Step 3: Cross multiply
    195,971.78x = 270,435.84 × 111,088.64
  4. Step 4: Simplify right side
    195,971.78x = 30,042,349,672.86
  5. Step 5: Solve for x
    x = 30,042,349,672.86/195,971.78
  6. Step 6: Final answer
    x = 153,299.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.